Home / 28,462,952.55-39,278,398.68-15,410,105.49

Finding the Fourth Proportional to 28,462,952.55, 39,278,398.68 and 15,410,105.49

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Solution

The fourth proportional to 28,462,952.55, 39,278,398.68 and 15,410,105.49 is: 21,265,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462,952.55 : 39,278,398.68 = 15,410,105.49 : x
  2. Step 2: Convert to fraction form
    28,462,952.55/39,278,398.68 = 15,410,105.49/x
  3. Step 3: Cross multiply
    28,462,952.55x = 39,278,398.68 × 15,410,105.49
  4. Step 4: Simplify right side
    28,462,952.55x = 605,284,267,137,076.75
  5. Step 5: Solve for x
    x = 605,284,267,137,076.75/28,462,952.55
  6. Step 6: Final answer
    x = 21,265,687.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.